From patchwork Mon Jun 11 22:01:00 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ronnie Sahlberg X-Patchwork-Id: 10458917 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id A128160467 for ; Mon, 11 Jun 2018 22:01:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8E769285B9 for ; Mon, 11 Jun 2018 22:01:35 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8314C285EA; Mon, 11 Jun 2018 22:01:35 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 108B4285B9 for ; Mon, 11 Jun 2018 22:01:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932596AbeFKWBe (ORCPT ); Mon, 11 Jun 2018 18:01:34 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:59440 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932230AbeFKWBe (ORCPT ); Mon, 11 Jun 2018 18:01:34 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A4FB080401D3; Mon, 11 Jun 2018 22:01:33 +0000 (UTC) Received: from test1135.test.redhat.com (vpn2-54-65.bne.redhat.com [10.64.54.65]) by smtp.corp.redhat.com (Postfix) with ESMTP id CADC411301CF; Mon, 11 Jun 2018 22:01:32 +0000 (UTC) From: Ronnie Sahlberg To: linux-cifs Cc: Steve French Subject: [PATCH 03/10] cifs: update __smb_send_rqst() to take an array of requests Date: Tue, 12 Jun 2018 08:01:00 +1000 Message-Id: <20180611220107.17468-4-lsahlber@redhat.com> In-Reply-To: <20180611220107.17468-1-lsahlber@redhat.com> References: <20180611220107.17468-1-lsahlber@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Mon, 11 Jun 2018 22:01:33 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Mon, 11 Jun 2018 22:01:33 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'lsahlber@redhat.com' RCPT:'' Sender: linux-cifs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Ronnie Sahlberg --- fs/cifs/transport.c | 79 +++++++++++++++++++++++++++++------------------------ 1 file changed, 44 insertions(+), 35 deletions(-) diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index 4815dca51b08..6ec3a338730a 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -202,7 +202,7 @@ smb_send_kvec(struct TCP_Server_Info *server, struct msghdr *smb_msg, } static unsigned long -rqst_len(struct smb_rqst *rqst) +smb2_rqst_len(struct smb_rqst *rqst) { unsigned int i; struct kvec *iov = rqst->rq_iov; @@ -236,13 +236,14 @@ rqst_len(struct smb_rqst *rqst) } static int -__smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst) +__smb_send_rqst(struct TCP_Server_Info *server, int num_rqst, + struct smb_rqst *rqst) { - int rc; - struct kvec *iov = rqst->rq_iov; - int n_vec = rqst->rq_nvec; - unsigned int send_length; - unsigned int i; + int rc = 0; + struct kvec *iov; + int n_vec; + unsigned int send_length = 0; + unsigned int i, j; size_t total_len = 0, sent, size; struct socket *ssocket = server->ssocket; struct msghdr smb_msg; @@ -256,14 +257,14 @@ __smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst) if (ssocket == NULL) return -ENOTSOCK; - send_length = rqst_len(rqst); - rfc1002_marker = cpu_to_be32(send_length); - /* cork the socket */ kernel_setsockopt(ssocket, SOL_TCP, TCP_CORK, (char *)&val, sizeof(val)); - size = 0; + for (j = 0; j < num_rqst; j++) + send_length += smb2_rqst_len(&rqst[j]); + rfc1002_marker = cpu_to_be32(send_length); + /* Generate a rfc1002 marker for SMB2+ */ if (server->vals->header_preamble_size == 0) { struct kvec hiov = { @@ -280,35 +281,43 @@ __smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst) send_length += 4; } - cifs_dbg(FYI, "Sending smb: smb_len=%u\n", send_length); - dump_smb(iov[0].iov_base, iov[0].iov_len); - dump_smb(iov[1].iov_base, iov[1].iov_len); + for (j = 0; j < num_rqst; j++) { + iov = rqst[j].rq_iov; + n_vec = rqst[j].rq_nvec; - for (i = 0; i < n_vec; i++) - size += iov[i].iov_len; + cifs_dbg(FYI, "Sending smb: smb_len=%u\n", send_length); + dump_smb(iov[0].iov_base, iov[0].iov_len); + dump_smb(iov[1].iov_base, iov[1].iov_len); - iov_iter_kvec(&smb_msg.msg_iter, WRITE | ITER_KVEC, iov, n_vec, size); - - rc = smb_send_kvec(server, &smb_msg, &sent); - if (rc < 0) - goto uncork; + size = 0; + for (i = 0; i < n_vec; i++) + size += iov[i].iov_len; - total_len += sent; + iov_iter_kvec(&smb_msg.msg_iter, WRITE | ITER_KVEC, + iov, n_vec, size); - /* now walk the page array and send each page in it */ - for (i = 0; i < rqst->rq_npages; i++) { - struct bio_vec bvec; - - bvec.bv_page = rqst->rq_pages[i]; - rqst_page_get_length(rqst, i, &bvec.bv_len, &bvec.bv_offset); - - iov_iter_bvec(&smb_msg.msg_iter, WRITE | ITER_BVEC, - &bvec, 1, bvec.bv_len); rc = smb_send_kvec(server, &smb_msg, &sent); if (rc < 0) - break; + goto uncork; total_len += sent; + + /* now walk the page array and send each page in it */ + for (i = 0; i < rqst[j].rq_npages; i++) { + struct bio_vec bvec; + + bvec.bv_page = rqst[j].rq_pages[i]; + rqst_page_get_length(&rqst[j], i, &bvec.bv_len, + &bvec.bv_offset); + + iov_iter_bvec(&smb_msg.msg_iter, WRITE | ITER_BVEC, + &bvec, 1, bvec.bv_len); + rc = smb_send_kvec(server, &smb_msg, &sent); + if (rc < 0) + break; + + total_len += sent; + } } uncork: @@ -344,7 +353,7 @@ smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst, int flags) int rc; if (!(flags & CIFS_TRANSFORM_REQ)) - return __smb_send_rqst(server, rqst); + return __smb_send_rqst(server, 1, rqst); if (!server->ops->init_transform_rq || !server->ops->free_transform_rq) { @@ -356,7 +365,7 @@ smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst, int flags) if (rc) return rc; - rc = __smb_send_rqst(server, &cur_rqst); + rc = __smb_send_rqst(server, 1, &cur_rqst); server->ops->free_transform_rq(&cur_rqst); return rc; } @@ -374,7 +383,7 @@ smb_send(struct TCP_Server_Info *server, struct smb_hdr *smb_buffer, iov[1].iov_base = (char *)smb_buffer + 4; iov[1].iov_len = smb_buf_length; - return __smb_send_rqst(server, &rqst); + return __smb_send_rqst(server, 1, &rqst); } static int